Kohler PA CH621 3012 Walker E3 Engine

Kohler PA CH621 3012 Walker E3 Engine

The Kohler PA CH621 3012 is a 624cc, V-twin, air-cooled, 4-stroke engine designed specifically for use in Walker mowers and other commercial lawn care equipment. Delivering 20 horsepower, it offers reliable power for demanding tasks.

Specifications
Engine Type: V-twin, air-cooled, 4-stroke
Displacement: 624cc
Horsepower: 20 HP
Bore x Stroke: 78mm x 64mm
Compression Ratio: 8.0:1
Fuel System: Carburetor (Walbro or similar)
Cooling System: Air-cooled with full pressure lubrication
Starting System: Electric start with recoil backup
Oil Capacity: 1.9 US quarts (1.8 L)
Fuel Tank Capacity: Varies based on application, typically around 5-6 liters
Ignition System: Transistorized magneto
Lubrication: Full pressure lubrication with an oil filter
Air Cleaner: Dual element
Recommended Oil: SAE 10W-30 or 10W-40 (depending on ambient temperature)
Idle Speed: 1,600 RPM (may vary depending on application)
Operating Speed: 3,600 RPM
Dimensions (L x W x H): Varies by application, typically compact for installation in mowers
Dry Weight: Approximately 100-110 lbs (45-50 kg) depending on the model configuration